Find the average of 4.2, 3.8 and 7.6.

Find the average of 4.2, 7.4 and 8.8.

Find out the average of 2, 4, 6, 8,10,12 and 14.

Find the range of { 2 , 7 , 6 , 4 , 3 , 8 , 5 , 12}.

The average of 4(3/5) , 2(2/3) , 6(8/9) , 7(7/15) , 3(5/9) is:

Following are the number of members in 20 families of the smallest size? 6,8,6,3,2,5,7,8,6,5,5,7,7,8,6,6,7,7,6,5 Find the average familiy size.

Find average 1, 2,2 3,3,3 4,4,4,4, ……… 7,7,7,7,7,7,7,.

Find the value of Min[(1#2) $ 3, 4#(5$6)] $ Max (6#7), (7#8)] :

Find the variance and S.D. for the following set of numbers. : 7, 11, 2, 4, 9, 6, 3, 7, 11, 2, 5, 8, 3, 6, 8, 8, 2, 6